70:B3:D5:9D:E System 11 Sp. z o.o.
Every MAC address from 70:B3:D5:9D:E0:00 to 70:B3:D5:9D:EF:FF belongs to a block the IEEE assigned to System 11 Sp. z o.o.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 70:B3:D5:9D:E belongs to
Written 70:B3:D5:9D:E, 70-B3-D5-9D-E or 70B3D59DE, depending on the system. Look up a full address.
Prefix
70:B3:D5:9D:E/36
Organization
System 11 Sp. z o.o.
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:9D:E0:00
Last address
70:B3:D5:9D:EF:FF
Address type
Globally unique, unicast
Registered address
Wieniawskiego 18 Chorzow PL 41-506
Parent block
Inside 70:B3:D5
This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.